1 GB = 1,000,000 KB
Gigabytes (GB) to Kilobytes (KB) Converter
The Gigabytes (GB) to Kilobytes (KB) Converter turns your Gigabyte (GB) value into Kilobytes (KB). Type your storage value below — 1 GB = 1,000,000 KB, calculated across both decimal (SI) and binary (IEC) standards. This free gigabyte to kilobyte calculator doubles as a digital storage converter, file size converter, and data capacity calculator for accurate unit conversion. Also see: Kilobytes to Kilobits.
Gigabyte (GB)
A gigabyte is 1,000 megabytes or 1,000,000,000 bytes using the SI decimal standard. This is what hard drive manufacturers typically use.
View the gigabyte data unit pageKilobyte (KB)
A kilobyte is 1,000 bytes using the SI decimal standard. Commonly used for small file sizes.
View the kilobyte data unit pageHow to Convert Gigabytes to Kilobytes
To convert gigabytes to kilobytes, multiply by 1,000,000 (using SI decimal). Both units measure storage capacity—the difference is scale.
GB: A gigabyte is 1,000 megabytes or 1,000,000,000 bytes using the SI decimal standard. This is what hard drive manufacturers typically use.
KB: A kilobyte is 1,000 bytes using the SI decimal standard. Commonly used for small file sizes.
1 GB = 1,000,000 KB (using SI decimal standard) — which means there are 1,000,000kilobytes in every gigabyte.
GB to KB conversion rate: 1 gigabyte equals 1,000,000kilobytes — the standard gigabyte to kilobyte data storage conversion used by this calculator.
Quick Facts: GB to KB Storage Conversion
- Conversion factor: 1 GB = 1,000,000 KB (SI decimal)
- Reverse factor: 1 KB = 0.000001 GB
- Source unit type: SI decimal storage unit
- Target unit type: SI decimal storage unit
- Binary (IEC) factor: 1 GB = 1,048,576 KB
- Category: data storage converter, digital capacity calculator
Steps to Convert Gigabyte to Kilobyte
- Enter your gigabyte value (GB) into the gigabyte to kilobyte converter above.
- The equivalent kilobytes (KB) value updates instantly using the GB to KB conversion factor.
- Toggle between the SI decimal (÷1000) and binary IEC (÷1024) standards for Windows-style storage capacity results.
- Use the swap control to reverse the calculation and convert kilobytes back into gigabytes.
GB to KB Conversion Formula
Here's the exact GB to KB formula in copy-paste-ready form — multiply by 1,000,000 to go from gigabytes to kilobytes, or by 0.000001 to reverse it — followed by a quick-reference chart of the same conversion.
// Convert GB to KB
KB = GB × 1,000,000
// Reverse: Convert KB to GB
GB = KB × 0.000001
Gigabyte to Kilobyte Conversion Examples
100 GB = 100,000,000 KB
256 GB = 256,000,000 KB
500 GB = 500,000,000 KB
1,000 GB = 1,000,000,000 KB
2,048 GB = 2,048,000,000 KB
Binary Standard (Base 1024)
Using binary calculation: 1 GB = 1,048,576 KB
100 GB = 104,857,600 KB
1,000 GB = 1,048,576,000 KB
1,024 GB = 1,073,741,824 KB
What Is a Gigabyte (GB)? Definition and Uses
A gigabyte is 1,000 megabytes or 1,000,000,000 bytes using the SI decimal standard. This is what hard drive manufacturers typically use.
The gigabyte is a SI decimal unit of digital information storage. It uses base 1,000 following the SI (International System of Units) standard.
Common uses: Movies, video games, smartphone storage, USB drives, cloud storage plans
1 GB = 8 × 10⁹ bits = 1 × 10⁹ bytes.
The gigabyte can be abbreviated as GB; for example, 1 gigabyte can be written as 1 GB.
Gigabyte Storage Unit at a Glance
| Unit type | SI decimal |
|---|---|
| Base / standard | Base 1,000 — SI (International System of Units) |
| Symbol | GB |
| Common uses | Movies, video games, smartphone storage, USB drives, cloud storage plans |
What Is a Kilobyte (KB)? Definition and Uses
A kilobyte is 1,000 bytes using the SI decimal standard. Commonly used for small file sizes.
The kilobyte is a SI decimal unit of digital information storage. It uses base 1,000 following the SI (International System of Units) standard.
Common uses: Text documents, small images, email attachments, configuration files
1 KB = 8,000 bits = 1,000 bytes.
The kilobyte can be abbreviated as KB; for example, 1 kilobyte can be written as 1 KB.
Kilobyte Storage Unit at a Glance
| Unit type | SI decimal |
|---|---|
| Base / standard | Base 1,000 — SI (International System of Units) |
| Symbol | KB |
| Common uses | Text documents, small images, email attachments, configuration files |
Gigabyte to Kilobyte Conversion Table
The table below shows 100 gigabyte measurements converted to kilobytes — scroll within the table to see the full range.
| Gigabytes | Kilobytes | Kilobytes (Binary) |
|---|---|---|
| 1 GB | 1,000,000 KB | 1,048,576 KB |
| 13 GB | 13,000,000 KB | 13,631,488 KB |
| 26 GB | 26,000,000 KB | 27,262,976 KB |
| 39 GB | 39,000,000 KB | 40,894,464 KB |
| 52 GB | 52,000,000 KB | 54,525,952 KB |
| 65 GB | 65,000,000 KB | 68,157,440 KB |
| 78 GB | 78,000,000 KB | 81,788,928 KB |
| 91 GB | 91,000,000 KB | 95,420,416 KB |
| 104 GB | 104,000,000 KB | 109,051,904 KB |
| 117 GB | 117,000,000 KB | 122,683,392 KB |
| 130 GB | 130,000,000 KB | 136,314,880 KB |
| 143 GB | 143,000,000 KB | 149,946,368 KB |
| 156 GB | 156,000,000 KB | 163,577,856 KB |
| 169 GB | 169,000,000 KB | 177,209,344 KB |
| 182 GB | 182,000,000 KB | 190,840,832 KB |
| 195 GB | 195,000,000 KB | 204,472,320 KB |
| 208 GB | 208,000,000 KB | 218,103,808 KB |
| 221 GB | 221,000,000 KB | 231,735,296 KB |
| 234 GB | 234,000,000 KB | 245,366,784 KB |
| 247 GB | 247,000,000 KB | 258,998,272 KB |
| 260 GB | 260,000,000 KB | 272,629,760 KB |
| 273 GB | 273,000,000 KB | 286,261,248 KB |
| 286 GB | 286,000,000 KB | 299,892,736 KB |
| 299 GB | 299,000,000 KB | 313,524,224 KB |
| 312 GB | 312,000,000 KB | 327,155,712 KB |
| 325 GB | 325,000,000 KB | 340,787,200 KB |
| 338 GB | 338,000,000 KB | 354,418,688 KB |
| 351 GB | 351,000,000 KB | 368,050,176 KB |
| 364 GB | 364,000,000 KB | 381,681,664 KB |
| 377 GB | 377,000,000 KB | 395,313,152 KB |
| 390 GB | 390,000,000 KB | 408,944,640 KB |
| 403 GB | 403,000,000 KB | 422,576,128 KB |
| 416 GB | 416,000,000 KB | 436,207,616 KB |
| 429 GB | 429,000,000 KB | 449,839,104 KB |
| 442 GB | 442,000,000 KB | 463,470,592 KB |
| 455 GB | 455,000,000 KB | 477,102,080 KB |
| 468 GB | 468,000,000 KB | 490,733,568 KB |
| 481 GB | 481,000,000 KB | 504,365,056 KB |
| 494 GB | 494,000,000 KB | 517,996,544 KB |
| 507 GB | 507,000,000 KB | 531,628,032 KB |
| 520 GB | 520,000,000 KB | 545,259,520 KB |
| 533 GB | 533,000,000 KB | 558,891,008 KB |
| 546 GB | 546,000,000 KB | 572,522,496 KB |
| 559 GB | 559,000,000 KB | 586,153,984 KB |
| 572 GB | 572,000,000 KB | 599,785,472 KB |
| 585 GB | 585,000,000 KB | 613,416,960 KB |
| 598 GB | 598,000,000 KB | 627,048,448 KB |
| 611 GB | 611,000,000 KB | 640,679,936 KB |
| 624 GB | 624,000,000 KB | 654,311,424 KB |
| 637 GB | 637,000,000 KB | 667,942,912 KB |
| 650 GB | 650,000,000 KB | 681,574,400 KB |
| 663 GB | 663,000,000 KB | 695,205,888 KB |
| 676 GB | 676,000,000 KB | 708,837,376 KB |
| 689 GB | 689,000,000 KB | 722,468,864 KB |
| 702 GB | 702,000,000 KB | 736,100,352 KB |
| 715 GB | 715,000,000 KB | 749,731,840 KB |
| 728 GB | 728,000,000 KB | 763,363,328 KB |
| 741 GB | 741,000,000 KB | 776,994,816 KB |
| 754 GB | 754,000,000 KB | 790,626,304 KB |
| 767 GB | 767,000,000 KB | 804,257,792 KB |
| 780 GB | 780,000,000 KB | 817,889,280 KB |
| 793 GB | 793,000,000 KB | 831,520,768 KB |
| 806 GB | 806,000,000 KB | 845,152,256 KB |
| 819 GB | 819,000,000 KB | 858,783,744 KB |
| 832 GB | 832,000,000 KB | 872,415,232 KB |
| 845 GB | 845,000,000 KB | 886,046,720 KB |
| 858 GB | 858,000,000 KB | 899,678,208 KB |
| 871 GB | 871,000,000 KB | 913,309,696 KB |
| 884 GB | 884,000,000 KB | 926,941,184 KB |
| 897 GB | 897,000,000 KB | 940,572,672 KB |
| 910 GB | 910,000,000 KB | 954,204,160 KB |
| 923 GB | 923,000,000 KB | 967,835,648 KB |
| 936 GB | 936,000,000 KB | 981,467,136 KB |
| 949 GB | 949,000,000 KB | 995,098,624 KB |
| 962 GB | 962,000,000 KB | 1,008,730,112 KB |
| 975 GB | 975,000,000 KB | 1,022,361,600 KB |
| 988 GB | 988,000,000 KB | 1,035,993,088 KB |
| 1,001 GB | 1,001,000,000 KB | 1,049,624,576 KB |
| 1,014 GB | 1,014,000,000 KB | 1,063,256,064 KB |
| 1,027 GB | 1,027,000,000 KB | 1,076,887,552 KB |
| 1,040 GB | 1,040,000,000 KB | 1,090,519,040 KB |
| 1,053 GB | 1,053,000,000 KB | 1,104,150,528 KB |
| 1,066 GB | 1,066,000,000 KB | 1,117,782,016 KB |
| 1,079 GB | 1,079,000,000 KB | 1,131,413,504 KB |
| 1,092 GB | 1,092,000,000 KB | 1,145,044,992 KB |
| 1,105 GB | 1,105,000,000 KB | 1,158,676,480 KB |
| 1,118 GB | 1,118,000,000 KB | 1,172,307,968 KB |
| 1,131 GB | 1,131,000,000 KB | 1,185,939,456 KB |
| 1,144 GB | 1,144,000,000 KB | 1,199,570,944 KB |
| 1,157 GB | 1,157,000,000 KB | 1,213,202,432 KB |
| 1,170 GB | 1,170,000,000 KB | 1,226,833,920 KB |
| 1,183 GB | 1,183,000,000 KB | 1,240,465,408 KB |
| 1,196 GB | 1,196,000,000 KB | 1,254,096,896 KB |
| 1,209 GB | 1,209,000,000 KB | 1,267,728,384 KB |
| 1,222 GB | 1,222,000,000 KB | 1,281,359,872 KB |
| 1,235 GB | 1,235,000,000 KB | 1,294,991,360 KB |
| 1,248 GB | 1,248,000,000 KB | 1,308,622,848 KB |
| 1,261 GB | 1,261,000,000 KB | 1,322,254,336 KB |
| 1,274 GB | 1,274,000,000 KB | 1,335,885,824 KB |
| 1,287 GB | 1,287,000,000 KB | 1,349,517,312 KB |
SI Decimal vs Binary: Why Two Different Standards?
When converting gigabytes to kilobytes, different tools may give slightly different results. This is because there are two competing standards for measuring digital storage:
| Standard | Base | 1 KB equals | Used By |
|---|---|---|---|
| SI Decimal | 1000 | 1,000 bytes | Hard drive manufacturers, macOS, network speeds |
| Binary (IEC) | 1024 | 1,024 bytes | Windows, Linux (partially), RAM specifications |
Note: Our calculator defaults to SI decimal (base 1000) to match the box label. To match Windows, toggle the standard above the converter.
Want to skip the ambiguity entirely? Gibibyte (GiB) and Kibibyte (KiB) are the IEC binary-only siblings of gigabyte and kilobyte — always base 1,024, no dual-standard guessing. See the GiB to KiB converter.
FAQs: Gigabyte to Kilobyte Conversion
How many kilobytes are in 1 gigabyte?
1 Gigabyte (GB) equals 1,000,000 Kilobytes using the SI decimal standard, or 1,048,576 KB using the binary (IEC) standard.
How do I convert gigabytes to kilobytes?
Multiply the gigabyte value by 1,000,000 to get kilobytes. For example, 10 GB = 10,000,000 KB.
Is a gigabyte bigger than a kilobyte?
Yes. 1 GB = 1,000,000 KB, so the gigabyte is the larger data storage unit.
What is Gigabyte (GB) commonly used for?
Movies, video games, smartphone storage, USB drives, cloud storage plans.